English verb conjugation
CAN COMPRESS

Regular verb: compress - compressed - compressed

Affirmation

Simple form	V-ing form
I can compress you can compress she can compress we can compress you can compress they can compress	I can be compressing you can be compressing she can be compressing we can be compressing you can be compressing they can be compressing
Perfect	V-ing perfect
I can have compressed you can have compressed she can have compressed we can have compressed you can have compressed they can have compressed	I can have been compressing you can have been compressing she can have been compressing we can have been compressing you can have been compressing they can have been compressing

Negation

Simple form	V-ing form
I can't compress you can't compress she can't compress we can't compress you can't compress they can't compress	I can't be compressing you can't be compressing she can't be compressing we can't be compressing you can't be compressing they can't be compressing
Perfect	V-ing perfect
I can't have compressed you can't have compressed she can't have compressed we can't have compressed you can't have compressed they can't have compressed	I can't have been compressing you can't have been compressing she can't have been compressing we can't have been compressing you can't have been compressing they can't have been compressing

Interrogative form

Simple form	V-ing form
can I compress? can you compress? can she compress? can we compress? can you compress? can they compress?	can I be compressing? can you be compressing? can she be compressing? can we be compressing? can you be compressing? can they be compressing?
Perfect	V-ing perfect
can I have compressed? can you have compressed? can she have compressed? can we have compressed? can you have compressed? can they have compressed?	can I have been compressing? can you have been compressing? can she have been compressing? can we have been compressing? can you have been compressing? can they have been compressing?

Interro-negative form

Simple form	V-ing form
can't I compress? can't you compress? can't she compress? can't we compress? can't you compress? can't they compress?	can't I be compressing? can't you be compressing? can't she be compressing? can't we be compressing? can't you be compressing? can't they be compressing?
Perfect	V-ing perfect
can't I have compressed? can't you have compressed? can't she have compressed? can't we have compressed? can't you have compressed? can't they have compressed?	can't I have been compressing? can't you have been compressing? can't she have been compressing? can't we have been compressing? can't you have been compressing? can't they have been compressing?